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                                <section class="normal markdown-section">
                                
                                <h1 id="&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;">&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;</h1>
<h2 id="&#x6982;&#x8FF0;">&#x6982;&#x8FF0;</h2>
<p>&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;&#x7528;&#x4E8E;&#x6BD4;&#x8F83;&#x4E24;&#x4E2A;&#x503C;&#x7684;&#x5927;&#x5C0F;&#xFF0C;&#x7136;&#x540E;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x5E03;&#x5C14;&#x503C;&#xFF0C;&#x8868;&#x793A;&#x662F;&#x5426;&#x6EE1;&#x8DB3;&#x6307;&#x5B9A;&#x7684;&#x6761;&#x4EF6;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">2</span> &gt; <span class="hljs-number">1</span> <span class="hljs-comment">// true</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x6BD4;&#x8F83;<code>2</code>&#x662F;&#x5426;&#x5927;&#x4E8E;<code>1</code>&#xFF0C;&#x8FD4;&#x56DE;<code>true</code>&#x3002;</p>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF0C;&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;&#x53EF;&#x4EE5;&#x6BD4;&#x8F83;&#x5404;&#x79CD;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x4E0D;&#x4EC5;&#x4EC5;&#x662F;&#x6570;&#x503C;&#x3002;</p>
</blockquote>
<p>JavaScript &#x4E00;&#x5171;&#x63D0;&#x4F9B;&#x4E86;8&#x4E2A;&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;&#x3002;</p>
<ul>
<li><code>&gt;</code> &#x5927;&#x4E8E;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>&lt;</code> &#x5C0F;&#x4E8E;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>&lt;=</code> &#x5C0F;&#x4E8E;&#x6216;&#x7B49;&#x4E8E;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>&gt;=</code> &#x5927;&#x4E8E;&#x6216;&#x7B49;&#x4E8E;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>==</code> &#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>===</code> &#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>!=</code> &#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</li>
<li><code>!==</code> &#x4E25;&#x683C;&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</li>
</ul>
<p>&#x8FD9;&#x516B;&#x4E2A;&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;&#x5206;&#x6210;&#x4E24;&#x7C7B;&#xFF1A;&#x76F8;&#x7B49;&#x6BD4;&#x8F83;&#x548C;&#x975E;&#x76F8;&#x7B49;&#x6BD4;&#x8F83;&#x3002;&#x4E24;&#x8005;&#x7684;&#x89C4;&#x5219;&#x662F;&#x4E0D;&#x4E00;&#x6837;&#x7684;&#xFF0C;&#x5BF9;&#x4E8E;&#x975E;&#x76F8;&#x7B49;&#x7684;&#x6BD4;&#x8F83;&#xFF0C;&#x7B97;&#x6CD5;&#x662F;&#x5148;&#x770B;&#x4E24;&#x4E2A;&#x8FD0;&#x7B97;&#x5B50;&#x662F;&#x5426;&#x90FD;&#x662F;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x5982;&#x679C;&#x662F;&#x7684;&#xFF0C;&#x5C31;&#x6309;&#x7167;&#x5B57;&#x5178;&#x987A;&#x5E8F;&#x6BD4;&#x8F83;&#xFF08;&#x5B9E;&#x9645;&#x4E0A;&#x662F;&#x6BD4;&#x8F83; Unicode &#x7801;&#x70B9;&#xFF09;&#xFF1B;&#x5426;&#x5219;&#xFF0C;&#x5C06;&#x4E24;&#x4E2A;&#x8FD0;&#x7B97;&#x5B50;&#x90FD;&#x8F6C;&#x6210;&#x6570;&#x503C;&#xFF0C;&#x518D;&#x6BD4;&#x8F83;&#x6570;&#x503C;&#x7684;&#x5927;&#x5C0F;&#x3002;</p>
<h2 id="&#x975E;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF1A;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x6BD4;&#x8F83;">&#x975E;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF1A;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x6BD4;&#x8F83;</h2>
<p>&#x5B57;&#x7B26;&#x4E32;&#x6309;&#x7167;&#x5B57;&#x5178;&#x987A;&#x5E8F;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-string">&apos;cat&apos;</span> &gt; <span class="hljs-string">&apos;dog&apos;</span> <span class="hljs-comment">// false</span>
<span class="hljs-string">&apos;cat&apos;</span> &gt; <span class="hljs-string">&apos;catalog&apos;</span> <span class="hljs-comment">// false</span>
</code></pre>
<p>JavaScript &#x5F15;&#x64CE;&#x5185;&#x90E8;&#x9996;&#x5148;&#x6BD4;&#x8F83;&#x9996;&#x5B57;&#x7B26;&#x7684; Unicode &#x7801;&#x70B9;&#x3002;&#x5982;&#x679C;&#x76F8;&#x7B49;&#xFF0C;&#x518D;&#x6BD4;&#x8F83;&#x7B2C;&#x4E8C;&#x4E2A;&#x5B57;&#x7B26;&#x7684; Unicode &#x7801;&#x70B9;&#xFF0C;&#x4EE5;&#x6B64;&#x7C7B;&#x63A8;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-string">&apos;cat&apos;</span> &gt; <span class="hljs-string">&apos;Cat&apos;</span> <span class="hljs-comment">// true&apos;</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x4E2D;&#xFF0C;&#x5C0F;&#x5199;&#x7684;<code>c</code>&#x7684; Unicode &#x7801;&#x70B9;&#xFF08;<code>99</code>&#xFF09;&#x5927;&#x4E8E;&#x5927;&#x5199;&#x7684;<code>C</code>&#x7684; Unicode &#x7801;&#x70B9;&#xFF08;<code>67</code>&#xFF09;&#xFF0C;&#x6240;&#x4EE5;&#x8FD4;&#x56DE;<code>true</code>&#x3002;</p>
<p>&#x7531;&#x4E8E;&#x6240;&#x6709;&#x5B57;&#x7B26;&#x90FD;&#x6709; Unicode &#x7801;&#x70B9;&#xFF0C;&#x56E0;&#x6B64;&#x6C49;&#x5B57;&#x4E5F;&#x53EF;&#x4EE5;&#x6BD4;&#x8F83;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-string">&apos;&#x5927;&apos;</span> &gt; <span class="hljs-string">&apos;&#x5C0F;&apos;</span> <span class="hljs-comment">// false</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x4E2D;&#xFF0C;&#x201C;&#x5927;&#x201D;&#x7684; Unicode &#x7801;&#x70B9;&#x662F;22823&#xFF0C;&#x201C;&#x5C0F;&#x201D;&#x662F;23567&#xFF0C;&#x56E0;&#x6B64;&#x8FD4;&#x56DE;<code>false</code>&#x3002;</p>
<h2 id="&#x975E;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF1A;&#x975E;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x6BD4;&#x8F83;">&#x975E;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF1A;&#x975E;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x6BD4;&#x8F83;</h2>
<p>&#x5982;&#x679C;&#x4E24;&#x4E2A;&#x8FD0;&#x7B97;&#x5B50;&#x4E4B;&#x4E2D;&#xFF0C;&#x81F3;&#x5C11;&#x6709;&#x4E00;&#x4E2A;&#x4E0D;&#x662F;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x9700;&#x8981;&#x5206;&#x6210;&#x4EE5;&#x4E0B;&#x4E24;&#x79CD;&#x60C5;&#x51B5;&#x3002;</p>
<p><strong>&#xFF08;1&#xFF09;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x503C;</strong></p>
<p>&#x5982;&#x679C;&#x4E24;&#x4E2A;&#x8FD0;&#x7B97;&#x5B50;&#x90FD;&#x662F;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x5219;&#x662F;&#x5148;&#x8F6C;&#x6210;&#x6570;&#x503C;&#x518D;&#x6BD4;&#x8F83;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">5</span> &gt; <span class="hljs-string">&apos;4&apos;</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 5 &gt; Number(&apos;4&apos;)</span>
<span class="hljs-comment">// &#x5373; 5 &gt; 4</span>

<span class="hljs-literal">true</span> &gt; <span class="hljs-literal">false</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number(true) &gt; Number(false)</span>
<span class="hljs-comment">// &#x5373; 1 &gt; 0</span>

<span class="hljs-number">2</span> &gt; <span class="hljs-literal">true</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 2 &gt; Number(true)</span>
<span class="hljs-comment">// &#x5373; 2 &gt; 1</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x4E2D;&#xFF0C;&#x5B57;&#x7B26;&#x4E32;&#x548C;&#x5E03;&#x5C14;&#x503C;&#x90FD;&#x4F1A;&#x5148;&#x8F6C;&#x6210;&#x6570;&#x503C;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<p>&#x8FD9;&#x91CC;&#x9700;&#x8981;&#x6CE8;&#x610F;&#x4E0E;<code>NaN</code>&#x7684;&#x6BD4;&#x8F83;&#x3002;&#x4EFB;&#x4F55;&#x503C;&#xFF08;&#x5305;&#x62EC;<code>NaN</code>&#x672C;&#x8EAB;&#xFF09;&#x4E0E;<code>NaN</code>&#x6BD4;&#x8F83;&#xFF0C;&#x8FD4;&#x56DE;&#x7684;&#x90FD;&#x662F;<code>false</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> &gt; <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
<span class="hljs-number">1</span> &lt;= <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
<span class="hljs-string">&apos;1&apos;</span> &gt; <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
<span class="hljs-string">&apos;1&apos;</span> &lt;= <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
<span class="hljs-literal">NaN</span> &gt; <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
<span class="hljs-literal">NaN</span> &lt;= <span class="hljs-literal">NaN</span> <span class="hljs-comment">// false</span>
</code></pre>
<p><strong>&#xFF08;2&#xFF09;&#x5BF9;&#x8C61;</strong></p>
<p>&#x5982;&#x679C;&#x8FD0;&#x7B97;&#x5B50;&#x662F;&#x5BF9;&#x8C61;&#xFF0C;&#x4F1A;&#x8F6C;&#x4E3A;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<p>&#x5BF9;&#x8C61;&#x8F6C;&#x6362;&#x6210;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x7B97;&#x6CD5;&#x662F;&#x5148;&#x8C03;&#x7528;<code>valueOf</code>&#x65B9;&#x6CD5;&#xFF1B;&#x5982;&#x679C;&#x8FD4;&#x56DE;&#x7684;&#x8FD8;&#x662F;&#x5BF9;&#x8C61;&#xFF0C;&#x518D;&#x63A5;&#x7740;&#x8C03;&#x7528;<code>toString</code>&#x65B9;&#x6CD5;&#xFF0C;&#x8BE6;&#x7EC6;&#x89E3;&#x91CA;&#x53C2;&#x89C1;&#x300A;&#x6570;&#x636E;&#x7C7B;&#x578B;&#x7684;&#x8F6C;&#x6362;&#x300B;&#x4E00;&#x7AE0;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> x = [<span class="hljs-number">2</span>];
x &gt; <span class="hljs-string">&apos;11&apos;</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; [2].valueOf().toString() &gt; &apos;11&apos;</span>
<span class="hljs-comment">// &#x5373; &apos;2&apos; &gt; &apos;11&apos;</span>

x.valueOf = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ <span class="hljs-keyword">return</span> <span class="hljs-string">&apos;1&apos;</span> };
x &gt; <span class="hljs-string">&apos;11&apos;</span> <span class="hljs-comment">// false</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; [2].valueOf() &gt; &apos;11&apos;</span>
<span class="hljs-comment">// &#x5373; &apos;1&apos; &gt; &apos;11&apos;</span>
</code></pre>
<p>&#x4E24;&#x4E2A;&#x5BF9;&#x8C61;&#x4E4B;&#x95F4;&#x7684;&#x6BD4;&#x8F83;&#x4E5F;&#x662F;&#x5982;&#x6B64;&#x3002;</p>
<pre><code class="lang-javascript">[<span class="hljs-number">2</span>] &gt; [<span class="hljs-number">1</span>] <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; [2].valueOf().toString() &gt; [1].valueOf().toString()</span>
<span class="hljs-comment">// &#x5373; &apos;2&apos; &gt; &apos;1&apos;</span>

[<span class="hljs-number">2</span>] &gt; [<span class="hljs-number">11</span>] <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; [2].valueOf().toString() &gt; [11].valueOf().toString()</span>
<span class="hljs-comment">// &#x5373; &apos;2&apos; &gt; &apos;11&apos;</span>

{ x: <span class="hljs-number">2</span> } &gt;= { x: <span class="hljs-number">1</span> } <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; { x: 2 }.valueOf().toString() &gt;= { x: 1 }.valueOf().toString()</span>
<span class="hljs-comment">// &#x5373; &apos;[object Object]&apos; &gt;= &apos;[object Object]&apos;</span>
</code></pre>
<h2 id="&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;">&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</h2>
<p>JavaScript &#x63D0;&#x4F9B;&#x4E24;&#x79CD;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF1A;<code>==</code>&#x548C;<code>===</code>&#x3002;</p>
<p>&#x7B80;&#x5355;&#x8BF4;&#xFF0C;&#x5B83;&#x4EEC;&#x7684;&#x533A;&#x522B;&#x662F;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>==</code>&#xFF09;&#x6BD4;&#x8F83;&#x4E24;&#x4E2A;&#x503C;&#x662F;&#x5426;&#x76F8;&#x7B49;&#xFF0C;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>===</code>&#xFF09;&#x6BD4;&#x8F83;&#x5B83;&#x4EEC;&#x662F;&#x5426;&#x4E3A;&#x201C;&#x540C;&#x4E00;&#x4E2A;&#x503C;&#x201D;&#x3002;&#x5982;&#x679C;&#x4E24;&#x4E2A;&#x503C;&#x4E0D;&#x662F;&#x540C;&#x4E00;&#x7C7B;&#x578B;&#xFF0C;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>===</code>&#xFF09;&#x76F4;&#x63A5;&#x8FD4;&#x56DE;<code>false</code>&#xFF0C;&#x800C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>==</code>&#xFF09;&#x4F1A;&#x5C06;&#x5B83;&#x4EEC;&#x8F6C;&#x6362;&#x6210;&#x540C;&#x4E00;&#x4E2A;&#x7C7B;&#x578B;&#xFF0C;&#x518D;&#x7528;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<p>&#x672C;&#x8282;&#x4ECB;&#x7ECD;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x7684;&#x7B97;&#x6CD5;&#x3002;</p>
<p><strong>&#xFF08;1&#xFF09;&#x4E0D;&#x540C;&#x7C7B;&#x578B;&#x7684;&#x503C;</strong></p>
<p>&#x5982;&#x679C;&#x4E24;&#x4E2A;&#x503C;&#x7684;&#x7C7B;&#x578B;&#x4E0D;&#x540C;&#xFF0C;&#x76F4;&#x63A5;&#x8FD4;&#x56DE;<code>false</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> === <span class="hljs-string">&quot;1&quot;</span> <span class="hljs-comment">// false</span>
<span class="hljs-literal">true</span> === <span class="hljs-string">&quot;true&quot;</span> <span class="hljs-comment">// false</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x6BD4;&#x8F83;&#x6570;&#x503C;&#x7684;<code>1</code>&#x4E0E;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x201C;1&#x201D;&#x3001;&#x5E03;&#x5C14;&#x503C;&#x7684;<code>true</code>&#x4E0E;&#x5B57;&#x7B26;&#x4E32;<code>&quot;true&quot;</code>&#xFF0C;&#x56E0;&#x4E3A;&#x7C7B;&#x578B;&#x4E0D;&#x540C;&#xFF0C;&#x7ED3;&#x679C;&#x90FD;&#x662F;<code>false</code>&#x3002;</p>
<p><strong>&#xFF08;2&#xFF09;&#x540C;&#x4E00;&#x7C7B;&#x7684;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x503C;</strong></p>
<p>&#x540C;&#x4E00;&#x7C7B;&#x578B;&#x7684;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF08;&#x6570;&#x503C;&#x3001;&#x5B57;&#x7B26;&#x4E32;&#x3001;&#x5E03;&#x5C14;&#x503C;&#xFF09;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x503C;&#x76F8;&#x540C;&#x5C31;&#x8FD4;&#x56DE;<code>true</code>&#xFF0C;&#x503C;&#x4E0D;&#x540C;&#x5C31;&#x8FD4;&#x56DE;<code>false</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> === <span class="hljs-number">0x1</span> <span class="hljs-comment">// true</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x6BD4;&#x8F83;&#x5341;&#x8FDB;&#x5236;&#x7684;<code>1</code>&#x4E0E;&#x5341;&#x516D;&#x8FDB;&#x5236;&#x7684;<code>1</code>&#xFF0C;&#x56E0;&#x4E3A;&#x7C7B;&#x578B;&#x548C;&#x503C;&#x90FD;&#x76F8;&#x540C;&#xFF0C;&#x8FD4;&#x56DE;<code>true</code>&#x3002;</p>
<p>&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x662F;&#xFF0C;<code>NaN</code>&#x4E0E;&#x4EFB;&#x4F55;&#x503C;&#x90FD;&#x4E0D;&#x76F8;&#x7B49;&#xFF08;&#x5305;&#x62EC;&#x81EA;&#x8EAB;&#xFF09;&#x3002;&#x53E6;&#x5916;&#xFF0C;&#x6B63;<code>0</code>&#x7B49;&#x4E8E;&#x8D1F;<code>0</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-literal">NaN</span> === <span class="hljs-literal">NaN</span>  <span class="hljs-comment">// false</span>
+<span class="hljs-number">0</span> === <span class="hljs-number">-0</span> <span class="hljs-comment">// true</span>
</code></pre>
<p><strong>&#xFF08;3&#xFF09;&#x590D;&#x5408;&#x7C7B;&#x578B;&#x503C;</strong></p>
<p>&#x4E24;&#x4E2A;&#x590D;&#x5408;&#x7C7B;&#x578B;&#xFF08;&#x5BF9;&#x8C61;&#x3001;&#x6570;&#x7EC4;&#x3001;&#x51FD;&#x6570;&#xFF09;&#x7684;&#x6570;&#x636E;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x4E0D;&#x662F;&#x6BD4;&#x8F83;&#x5B83;&#x4EEC;&#x7684;&#x503C;&#x662F;&#x5426;&#x76F8;&#x7B49;&#xFF0C;&#x800C;&#x662F;&#x6BD4;&#x8F83;&#x5B83;&#x4EEC;&#x662F;&#x5426;&#x6307;&#x5411;&#x540C;&#x4E00;&#x4E2A;&#x5730;&#x5740;&#x3002;</p>
<pre><code class="lang-javascript">{} === {} <span class="hljs-comment">// false</span>
[] === [] <span class="hljs-comment">// false</span>
(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{} === <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{}) <span class="hljs-comment">// false</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x5206;&#x522B;&#x6BD4;&#x8F83;&#x4E24;&#x4E2A;&#x7A7A;&#x5BF9;&#x8C61;&#x3001;&#x4E24;&#x4E2A;&#x7A7A;&#x6570;&#x7EC4;&#x3001;&#x4E24;&#x4E2A;&#x7A7A;&#x51FD;&#x6570;&#xFF0C;&#x7ED3;&#x679C;&#x90FD;&#x662F;&#x4E0D;&#x76F8;&#x7B49;&#x3002;&#x539F;&#x56E0;&#x662F;&#x5BF9;&#x4E8E;&#x590D;&#x5408;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x6BD4;&#x8F83;&#x7684;&#x662F;&#xFF0C;&#x5B83;&#x4EEC;&#x662F;&#x5426;&#x5F15;&#x7528;&#x540C;&#x4E00;&#x4E2A;&#x5185;&#x5B58;&#x5730;&#x5740;&#xFF0C;&#x800C;&#x8FD0;&#x7B97;&#x7B26;&#x4E24;&#x8FB9;&#x7684;&#x7A7A;&#x5BF9;&#x8C61;&#x3001;&#x7A7A;&#x6570;&#x7EC4;&#x3001;&#x7A7A;&#x51FD;&#x6570;&#x7684;&#x503C;&#xFF0C;&#x90FD;&#x5B58;&#x653E;&#x5728;&#x4E0D;&#x540C;&#x7684;&#x5185;&#x5B58;&#x5730;&#x5740;&#xFF0C;&#x7ED3;&#x679C;&#x5F53;&#x7136;&#x662F;<code>false</code>&#x3002;</p>
<p>&#x5982;&#x679C;&#x4E24;&#x4E2A;&#x53D8;&#x91CF;&#x5F15;&#x7528;&#x540C;&#x4E00;&#x4E2A;&#x5BF9;&#x8C61;&#xFF0C;&#x5219;&#x5B83;&#x4EEC;&#x76F8;&#x7B49;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> v1 = {};
<span class="hljs-keyword">var</span> v2 = v1;
v1 === v2 <span class="hljs-comment">// true</span>
</code></pre>
<p>&#x6CE8;&#x610F;&#xFF0C;&#x5BF9;&#x4E8E;&#x4E24;&#x4E2A;&#x5BF9;&#x8C61;&#x7684;&#x6BD4;&#x8F83;&#xFF0C;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x6BD4;&#x8F83;&#x7684;&#x662F;&#x5730;&#x5740;&#xFF0C;&#x800C;&#x5927;&#x4E8E;&#x6216;&#x5C0F;&#x4E8E;&#x8FD0;&#x7B97;&#x7B26;&#x6BD4;&#x8F83;&#x7684;&#x662F;&#x503C;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> obj1 = {};
<span class="hljs-keyword">var</span> obj2 = {};

obj1 &gt; obj2 <span class="hljs-comment">// false</span>
obj1 &lt; obj2 <span class="hljs-comment">// false</span>
obj1 === obj2 <span class="hljs-comment">// false</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x7684;&#x4E09;&#x4E2A;&#x6BD4;&#x8F83;&#xFF0C;&#x524D;&#x4E24;&#x4E2A;&#x6BD4;&#x8F83;&#x7684;&#x662F;&#x503C;&#xFF0C;&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x6BD4;&#x8F83;&#x7684;&#x662F;&#x5730;&#x5740;&#xFF0C;&#x6240;&#x4EE5;&#x90FD;&#x8FD4;&#x56DE;<code>false</code>&#x3002;</p>
<p><strong>&#xFF08;4&#xFF09;undefined &#x548C; null</strong></p>
<p><code>undefined</code>&#x548C;<code>null</code>&#x4E0E;&#x81EA;&#x8EAB;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-literal">undefined</span> === <span class="hljs-literal">undefined</span> <span class="hljs-comment">// true</span>
<span class="hljs-literal">null</span> === <span class="hljs-literal">null</span> <span class="hljs-comment">// true</span>
</code></pre>
<p>&#x7531;&#x4E8E;&#x53D8;&#x91CF;&#x58F0;&#x660E;&#x540E;&#x9ED8;&#x8BA4;&#x503C;&#x662F;<code>undefined</code>&#xFF0C;&#x56E0;&#x6B64;&#x4E24;&#x4E2A;&#x53EA;&#x58F0;&#x660E;&#x672A;&#x8D4B;&#x503C;&#x7684;&#x53D8;&#x91CF;&#x662F;&#x76F8;&#x7B49;&#x7684;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> v1;
<span class="hljs-keyword">var</span> v2;
v1 === v2 <span class="hljs-comment">// true</span>
</code></pre>
<h2 id="&#x4E25;&#x683C;&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;">&#x4E25;&#x683C;&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</h2>
<p>&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x6709;&#x4E00;&#x4E2A;&#x5BF9;&#x5E94;&#x7684;&#x201C;&#x4E25;&#x683C;&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x201D;&#xFF08;<code>!==</code>&#xFF09;&#xFF0C;&#x5B83;&#x7684;&#x7B97;&#x6CD5;&#x5C31;&#x662F;&#x5148;&#x6C42;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x7684;&#x7ED3;&#x679C;&#xFF0C;&#x7136;&#x540E;&#x8FD4;&#x56DE;&#x76F8;&#x53CD;&#x503C;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> !== <span class="hljs-string">&apos;1&apos;</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E;</span>
!(<span class="hljs-number">1</span> === <span class="hljs-string">&apos;1&apos;</span>)
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x4E2D;&#xFF0C;&#x611F;&#x53F9;&#x53F7;<code>!</code>&#x662F;&#x6C42;&#x51FA;&#x540E;&#x9762;&#x8868;&#x8FBE;&#x5F0F;&#x7684;&#x76F8;&#x53CD;&#x503C;&#x3002;</p>
<h2 id="&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;">&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</h2>
<p>&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x7528;&#x6765;&#x6BD4;&#x8F83;&#x76F8;&#x540C;&#x7C7B;&#x578B;&#x7684;&#x6570;&#x636E;&#x65F6;&#xFF0C;&#x4E0E;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x5B8C;&#x5168;&#x4E00;&#x6837;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> == <span class="hljs-number">1.0</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E;</span>
<span class="hljs-number">1</span> === <span class="hljs-number">1.0</span>
</code></pre>
<p>&#x6BD4;&#x8F83;&#x4E0D;&#x540C;&#x7C7B;&#x578B;&#x7684;&#x6570;&#x636E;&#x65F6;&#xFF0C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x4F1A;&#x5148;&#x5C06;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x7C7B;&#x578B;&#x8F6C;&#x6362;&#xFF0C;&#x7136;&#x540E;&#x518D;&#x7528;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x6BD4;&#x8F83;&#x3002;&#x4E0B;&#x9762;&#x5206;&#x6210;&#x56DB;&#x79CD;&#x60C5;&#x51B5;&#xFF0C;&#x8BA8;&#x8BBA;&#x4E0D;&#x540C;&#x7C7B;&#x578B;&#x7684;&#x503C;&#x4E92;&#x76F8;&#x6BD4;&#x8F83;&#x7684;&#x89C4;&#x5219;&#x3002;</p>
<p><strong>&#xFF08;1&#xFF09;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x503C;</strong></p>
<p>&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#x4F1A;&#x8F6C;&#x6362;&#x6210;&#x6570;&#x503C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> == <span class="hljs-literal">true</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 1 === Number(true)</span>

<span class="hljs-number">0</span> == <span class="hljs-literal">false</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 0 === Number(false)</span>

<span class="hljs-number">2</span> == <span class="hljs-literal">true</span> <span class="hljs-comment">// false</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 2 === Number(true)</span>

<span class="hljs-number">2</span> == <span class="hljs-literal">false</span> <span class="hljs-comment">// false</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 2 === Number(false)</span>

<span class="hljs-string">&apos;true&apos;</span> == <span class="hljs-literal">true</span> <span class="hljs-comment">// false</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number(&apos;true&apos;) === Number(true)</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; NaN === 1</span>

<span class="hljs-string">&apos;&apos;</span> == <span class="hljs-number">0</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number(&apos;&apos;) === 0</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 0 === 0</span>

<span class="hljs-string">&apos;&apos;</span> == <span class="hljs-literal">false</span>  <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number(&apos;&apos;) === Number(false)</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 0 === 0</span>

<span class="hljs-string">&apos;1&apos;</span> == <span class="hljs-literal">true</span>  <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number(&apos;1&apos;) === Number(true)</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; 1 === 1</span>

<span class="hljs-string">&apos;\n  123  \t&apos;</span> == <span class="hljs-number">123</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x56E0;&#x4E3A;&#x5B57;&#x7B26;&#x4E32;&#x8F6C;&#x4E3A;&#x6570;&#x5B57;&#x65F6;&#xFF0C;&#x7701;&#x7565;&#x524D;&#x7F6E;&#x548C;&#x540E;&#x7F6E;&#x7684;&#x7A7A;&#x683C;</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x5C06;&#x5B57;&#x7B26;&#x4E32;&#x548C;&#x5E03;&#x5C14;&#x503C;&#x90FD;&#x8F6C;&#x4E3A;&#x6570;&#x503C;&#xFF0C;&#x7136;&#x540E;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;&#x5177;&#x4F53;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x4E0E;&#x5E03;&#x5C14;&#x503C;&#x7684;&#x7C7B;&#x578B;&#x8F6C;&#x6362;&#x89C4;&#x5219;&#xFF0C;&#x53C2;&#x89C1;&#x300A;&#x6570;&#x636E;&#x7C7B;&#x578B;&#x8F6C;&#x6362;&#x300B;&#x4E00;&#x7AE0;&#x3002;</p>
<p><strong>&#xFF08;2&#xFF09;&#x5BF9;&#x8C61;&#x4E0E;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x503C;&#x6BD4;&#x8F83;</strong></p>
<p>&#x5BF9;&#x8C61;&#xFF08;&#x8FD9;&#x91CC;&#x6307;&#x5E7F;&#x4E49;&#x7684;&#x5BF9;&#x8C61;&#xFF0C;&#x5305;&#x62EC;&#x6570;&#x7EC4;&#x548C;&#x51FD;&#x6570;&#xFF09;&#x4E0E;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x5BF9;&#x8C61;&#x8F6C;&#x6362;&#x6210;&#x539F;&#x59CB;&#x7C7B;&#x578B;&#x7684;&#x503C;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-comment">// &#x5BF9;&#x8C61;&#x4E0E;&#x6570;&#x503C;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x5BF9;&#x8C61;&#x8F6C;&#x4E3A;&#x6570;&#x503C;</span>
[<span class="hljs-number">1</span>] == <span class="hljs-number">1</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number([1]) == 1</span>

<span class="hljs-comment">// &#x5BF9;&#x8C61;&#x4E0E;&#x5B57;&#x7B26;&#x4E32;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x5BF9;&#x8C61;&#x8F6C;&#x4E3A;&#x5B57;&#x7B26;&#x4E32;</span>
[<span class="hljs-number">1</span>] == <span class="hljs-string">&apos;1&apos;</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; String([1]) == &apos;1&apos;</span>
[<span class="hljs-number">1</span>, <span class="hljs-number">2</span>] == <span class="hljs-string">&apos;1,2&apos;</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; String([1, 2]) == &apos;1,2&apos;</span>

<span class="hljs-comment">// &#x5BF9;&#x8C61;&#x4E0E;&#x5E03;&#x5C14;&#x503C;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x4E24;&#x8FB9;&#x90FD;&#x8F6C;&#x4E3A;&#x6570;&#x503C;</span>
[<span class="hljs-number">1</span>] == <span class="hljs-literal">true</span> <span class="hljs-comment">// true</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number([1]) == Number(true)</span>
[<span class="hljs-number">2</span>] == <span class="hljs-literal">true</span> <span class="hljs-comment">// false</span>
<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E; Number([2]) == Number(true)</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x4E2D;&#xFF0C;&#x6570;&#x7EC4;<code>[1]</code>&#x4E0E;&#x6570;&#x503C;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x4F1A;&#x5148;&#x8F6C;&#x6210;&#x6570;&#x503C;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF1B;&#x4E0E;&#x5B57;&#x7B26;&#x4E32;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x4F1A;&#x5148;&#x8F6C;&#x6210;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF1B;&#x4E0E;&#x5E03;&#x5C14;&#x503C;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x5BF9;&#x8C61;&#x548C;&#x5E03;&#x5C14;&#x503C;&#x90FD;&#x4F1A;&#x5148;&#x8F6C;&#x6210;&#x6570;&#x503C;&#xFF0C;&#x518D;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#x3002;</p>
<p><strong>&#xFF08;3&#xFF09;undefined &#x548C; null</strong></p>
<p><code>undefined</code>&#x548C;<code>null</code>&#x4E0E;&#x5176;&#x4ED6;&#x7C7B;&#x578B;&#x7684;&#x503C;&#x6BD4;&#x8F83;&#x65F6;&#xFF0C;&#x7ED3;&#x679C;&#x90FD;&#x4E3A;<code>false</code>&#xFF0C;&#x5B83;&#x4EEC;&#x4E92;&#x76F8;&#x6BD4;&#x8F83;&#x65F6;&#x7ED3;&#x679C;&#x4E3A;<code>true</code>&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-literal">false</span> == <span class="hljs-literal">null</span> <span class="hljs-comment">// false</span>
<span class="hljs-literal">false</span> == <span class="hljs-literal">undefined</span> <span class="hljs-comment">// false</span>

<span class="hljs-number">0</span> == <span class="hljs-literal">null</span> <span class="hljs-comment">// false</span>
<span class="hljs-number">0</span> == <span class="hljs-literal">undefined</span> <span class="hljs-comment">// false</span>

<span class="hljs-literal">undefined</span> == <span class="hljs-literal">null</span> <span class="hljs-comment">// true</span>
</code></pre>
<p><strong>&#xFF08;4&#xFF09;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x7684;&#x7F3A;&#x70B9;</strong></p>
<p>&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x9690;&#x85CF;&#x7684;&#x7C7B;&#x578B;&#x8F6C;&#x6362;&#xFF0C;&#x4F1A;&#x5E26;&#x6765;&#x4E00;&#x4E9B;&#x8FDD;&#x53CD;&#x76F4;&#x89C9;&#x7684;&#x7ED3;&#x679C;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">0</span> == <span class="hljs-string">&apos;&apos;</span>             <span class="hljs-comment">// true</span>
<span class="hljs-number">0</span> == <span class="hljs-string">&apos;0&apos;</span>            <span class="hljs-comment">// true</span>

<span class="hljs-number">2</span> == <span class="hljs-literal">true</span>           <span class="hljs-comment">// false</span>
<span class="hljs-number">2</span> == <span class="hljs-literal">false</span>          <span class="hljs-comment">// false</span>

<span class="hljs-literal">false</span> == <span class="hljs-string">&apos;false&apos;</span>    <span class="hljs-comment">// false</span>
<span class="hljs-literal">false</span> == <span class="hljs-string">&apos;0&apos;</span>        <span class="hljs-comment">// true</span>

<span class="hljs-literal">false</span> == <span class="hljs-literal">undefined</span>  <span class="hljs-comment">// false</span>
<span class="hljs-literal">false</span> == <span class="hljs-literal">null</span>       <span class="hljs-comment">// false</span>
<span class="hljs-literal">null</span> == <span class="hljs-literal">undefined</span>   <span class="hljs-comment">// true</span>

<span class="hljs-string">&apos; \t\r\n &apos;</span> == <span class="hljs-number">0</span>     <span class="hljs-comment">// true</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x8FD9;&#x4E9B;&#x8868;&#x8FBE;&#x5F0F;&#x90FD;&#x4E0D;&#x540C;&#x4E8E;&#x76F4;&#x89C9;&#xFF0C;&#x5F88;&#x5BB9;&#x6613;&#x51FA;&#x9519;&#x3002;&#x56E0;&#x6B64;&#x5EFA;&#x8BAE;&#x4E0D;&#x8981;&#x4F7F;&#x7528;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>==</code>&#xFF09;&#xFF0C;&#x6700;&#x597D;&#x53EA;&#x4F7F;&#x7528;&#x4E25;&#x683C;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#xFF08;<code>===</code>&#xFF09;&#x3002;</p>
<h2 id="&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;">&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;</h2>
<p>&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x6709;&#x4E00;&#x4E2A;&#x5BF9;&#x5E94;&#x7684;&#x201C;&#x4E0D;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x201D;&#xFF08;<code>!=</code>&#xFF09;&#xFF0C;&#x5B83;&#x7684;&#x7B97;&#x6CD5;&#x5C31;&#x662F;&#x5148;&#x6C42;&#x76F8;&#x7B49;&#x8FD0;&#x7B97;&#x7B26;&#x7684;&#x7ED3;&#x679C;&#xFF0C;&#x7136;&#x540E;&#x8FD4;&#x56DE;&#x76F8;&#x53CD;&#x503C;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-number">1</span> != <span class="hljs-string">&apos;1&apos;</span> <span class="hljs-comment">// false</span>

<span class="hljs-comment">// &#x7B49;&#x540C;&#x4E8E;</span>
!(<span class="hljs-number">1</span> == <span class="hljs-string">&apos;1&apos;</span>)
</code></pre>




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